In the near future, mankind is on the brink of extinction owing to a drastic decline in the birth rate of males. To counter the declining overall birth rate, the country has introduced a new law and the Free Sex Licence. This Licence can be presented to any woman, anytime, anywhere, and that woman is legally bound to have sex with its bearer. One night, Takumi receives one such Free Sex Licence and his life changes drastically. He has sex with Sara, a genius who's also curious about sex, and with Misaki, cousin of his friend Rin. Rin, who's in love with Takumi, is extremely agitated by these occurrences. However, when Takumi inadvertently displays the licence in the classroom, Rin's first time is done in public...

Spring. Beginning of March. The protagonist, Akito Narazaki successfully passed examinations in several universities and has now decided to stay a while at her cousin?s Ayako. Her amazing body captivated hero and he could hardly hold sebya.Akito and Ayako decided to celebrate a successful interview and choice of university. Soon Ayako tasted plenty of sake and is in extremely good spirits, decided to ask the hero: ?Once you were small and so sweet, and now has grown into a handsome man. Surely you were popular with the girls at school? ?Akito said no, did not believe him, and then suddenly asked:? So, you have not known female affection. Is Akito-kun virgin ? ? From such unexpected question Akito panic, and he was ready to burn with shame. But then he noticed Ayako lustful look, and then I heard a gentle whisper, ?Please, show me your penis, and I?ll make sure to make you a man.?